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Home -> Community -> Mailing Lists -> Oracle-L -> RE: Disk to Disk backups and RMAN
Thanks all for your replies on this, especially Steve's comprehensize disseration on their backup strategy. :)
Jared
Deepak Thapliyal
<deepakthapliyal@ To: Multiple recipients of list
ORACLE-L <ORACLE-L_at_fatcity.com>
yahoo.com> cc:
Sent by: Subject: RE: Disk to Disk backups and
RMAN
root_at_fatcity.com
11/15/01 02:55 PM
Please respond to
ORACLE-L
RMAN 9i supports disk to disk and disk to tape backups of backupsets .. does that answer yor question Jared?
Deepak
--- Jared.Still_at_radisys.com wrote:
>
> I don't know if it does or not.
>
> Will find out though, thanks.
>
> Jared
>
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> John Kanagaraj
>
>
> <john.kanagara To:
> Multiple recipients of list ORACLE-L
> <ORACLE-L_at_fatcity.com>
> j_at_hds.com> cc:
>
>
> Sent by: Subject:
> RE: Disk to Disk backups and RMAN
>
> root_at_fatcity.c
>
>
> om
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>
> 11/15/01 01:30
>
>
> PM
>
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> Please respond
>
>
> to ORACLE-L
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> Jared,
>
> RMAN supports DATAFILE COPY - which is essentially a
> RMAN-catalogued *disk*
> copy of the datafile. I am not sure if this can
> handle multiple files
> automatically (forgot lots of RMAN stuff once I
> cleared my 8.0/8i OCP a few
> years back :)) - I assume so since I see a
> 'DATAFILECOPY' tag that can be
> added. If so, shouldn't this address your issue?
>
> John Kanagaraj
> Oracle Applications DBA
> DBSoft Inc
> (W): 408-970-7002
>
> Kill your killer-commute! Listen to great
> commercial-free christian music
> 24x7 (details at www.klove.com)
>
> ** The opinions and statements above are entirely my
> own and not
> those of my employer or clients **
>
>
> > -----Original Message-----
> > From: Jared.Still_at_radisys.com
> [mailto:Jared.Still_at_radisys.com]
> > Sent: Thursday, November 15, 2001 12:37 PM
> > To: Multiple recipients of list ORACLE-L
> > Subject: Disk to Disk backups and RMAN
> >
> >
> >
> > I'm looking for comments on disk to disk backups
> and their
> > compatibility with backup cataloging software such
> as RMAN.
> >
> > The problem that I see with disk to disk is that
> although recovering
> > from the very first backup is simplified and fast,
> it would seem that
> > recovery from a previous backup is unnecessarily
> complex.
> >
> > For example: if backups are made directly to tape,
> RMAN ( and other
> > products ) can identify the archive set with a
> label, and associate
> > that label with a date and SCN for point in time
> recovery.
> >
> > When a back up is made to disk, that information
> is lost. At this
> > point the files on disk are backed up to tape, and
> RMAN will
> > have no knowledge of the tape labels needed to
> restore from
> > this backup set.
> >
> > This leaves the DBA and SA with the onerous duty
> of finding the
> > right set of tapes manually.
> >
> > Or does RMAN direct the backup of backup set on
> disk to tape?
> >
> > To cut to the chase, what it appears will happen
> with disk to disk
> > backups is a loss of the ability to tell RMAN to
> do a PITR and
> > locate the correct tape set and load them via the
> tape library
> > without human intervention.
> >
> > If I just need to RTFM, I will do so gladly.
> There's just a lot of
> > manual to wade through and specific references
> would be
> > greatly appreciated.
> >
> > Thanks,
> >
> > Jared
> >
> >
> > --
> > Please see the official ORACLE-L FAQ:
> http://www.orafaq.com
> > --
> > Author:
> > INET: Jared.Still_at_radisys.com
> >
> > Fat City Network Services -- (858) 538-5051
> FAX: (858) 538-5051
> > San Diego, California -- Public Internet
> access / Mailing Lists
> >
>
-- Please see the official ORACLE-L FAQ: http://www.orafaq.com -- Author: Deepak Thapliyal INET: deepakthapliyal_at_yahoo.com Fat City Network Services -- (858) 538-5051 FAX: (858) 538-5051 San Diego, California -- Public Internet access / Mailing Lists -------------------------------------------------------------------- To REMOVE yourself from this mailing list, send an E-Mail message to: ListGuru_at_fatcity.com (note EXACT spelling of 'ListGuru') and in the message BODY, include a line containing: UNSUB ORACLE-L (or the name of mailing list you want to be removed from). You may also send the HELP command for other information (like subscribing). -- Please see the official ORACLE-L FAQ: http://www.orafaq.com -- Author: INET: Jared.Still_at_radisys.com Fat City Network Services -- (858) 538-5051 FAX: (858) 538-5051 San Diego, California -- Public Internet access / Mailing Lists -------------------------------------------------------------------- To REMOVE yourself from this mailing list, send an E-Mail message to: ListGuru_at_fatcity.com (note EXACT spelling of 'ListGuru') and in the message BODY, include a line containing: UNSUB ORACLE-L (or the name of mailing list you want to be removed from). You may also send the HELP command for other information (like subscribing).Received on Thu Nov 15 2001 - 18:26:24 CST
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